The MCPL will be closed Thursday, April 2, Friday, April 3, and Saturday, April 4, 2026 for staff training at the national Public Library Association convention in Minneapolis. We will reopen on Monday, April 6.
Public Notice:
Public comment period regarding amendments to construction permits for the Heidelberg Materials facility located in Mason City, Iowa. March 6 - April 6.
Mason City Public Library
Welcome to the Mason City Public Library. The library is your one stop source for all of your informational needs. We have a large selection of books, magazines, newspapers, and electronic resources available to be checked out by our library card holders. Here you will also find electronic resources, news, announcements, and a calendar of upcoming library events!